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StorageGRID maintenance procedure stalls due to SSH Keys mismatch

  1. Last updated
    Mar 8, 2024
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Category:
storagegrid
Specialty:
sgrid
Last Updated:
3/8/2024, 9:00:45 AM

Applies to

NetApp StorageGRID

Issue

When trying to perform a StorageGRID maintenance task such as decommissions or software upgrades, it fails.
 
Example software upgrade precheck failure:
The precheck operation has detacted conditions that must be addressed before upgrading. Resolve the issues listed below and click Start Upgrade or Run Prechecks to retry. Contact Technical Support for assistence in resolved these issues if necessary.
The following issues were identified by the Connectivity precheck
- <nodename> is currently offline or disconnected
- Refer to KB article "StorageGRID 11.x software upgrade resolution guide for further information
clipboard_e209c2e6f193176f498fd73c8aad488de.png

When revieving the /var/local/log/gdu-server.log on Primary Admin, it reports:

E, [2020-09-24T02:02:45.190142 0008297] ERROR -- : Failed to execute sh command with 'run-host-command test -e /var/local/dkr/0/install/upgrade-stage/base-os/upgrade.sh 2>&1' on localhost - 1, /usr/local/lib/site_ruby/bycast/commands/sh.rb:134:in `rescue in block in call': Unable to connect to 127.0.0.1 on port 8022: fingerprint SHA256:0rY4mOtq8XtRYciMQuZL9Oo+EFp568s2CYx5+qvDxvk does not match for "[127.0.0.1]:8022" (Bycast::Commands::Sh::Remote::Error)
                from /usr/local/lib/site_ruby/bycast/commands/sh.rb:109:in `block in call'
                from /usr/local/lib/site_ruby/bycast/commands/sh.rb:108:in `synchronize'
                from /usr/local/lib/site_ruby/bycast/commands/sh.rb:108:in `call'
                from /usr/sbin/run-host-command:117:in `<main>'

Example 2:

ECDSA host key for <hostname> differs from the key for the IP address <ip>

clipboard_eda62c929fae6cfb6aa892b9290fea1eb.png

 

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